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howardwheeler's avatar
howardwheeler
Explorer
Mar 26, 2017

Charging specs for group 29HM Deep Cycle Marine/RV battery

Last year I had to replace my 4 12 volt batteries in my fifth wheel on an emergency basis. I had someone staying in it, and one of my old batteries shorted and brought the whole bank down. I had been ...
BFL13's avatar
BFL13
Explorer II
Mar 26, 2017
howardwheeler wrote:
So might it be best to just use the default flooded 14.7 profile and watch how the batteries actually perform with the solar charger, then custom adjust? I can't find any specs on the net for these batteries. The Morningstar default is three hours absorption.


That's what I would do for sure. That is likely a good profile as is, in most conditions. If you are "overcharging" each day this will show up in water loss. "Undercharging" will show up as low SG by hydrometer readings taken every so often.

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